diff --git a/lib/nylas/api.rb b/lib/nylas/api.rb
index 3ee5df84..be2d4bcc 100644
--- a/lib/nylas/api.rb
+++ b/lib/nylas/api.rb
@@ -36,18 +36,15 @@ def authenticate(name:, email_address:, provider:, settings:, reauth_account_id:
     end
 
     def authentication_url(redirect_uri:, scopes:, response_type: "code", login_hint: nil, state: nil,
-                           provider: nil, redirect_on_error: nil)
-      params = {
-        client_id: app_id,
-        redirect_uri: redirect_uri,
-        response_type: response_type,
-        login_hint: login_hint
-      }
+                           provider: nil, redirect_on_error: nil, disable_provider_selection: nil)
+      params = { client_id: app_id, redirect_uri: redirect_uri, response_type: response_type,
+                 login_hint: login_hint }
 
       params[:state] = state if state
       params[:scopes] = scopes.join(",") if scopes
       params[:provider] = provider if provider
       params[:redirect_on_error] = redirect_on_error if redirect_on_error
+      params[:disable_provider_selection] = disable_provider_selection if disable_provider_selection
 
       "#{api_server}/oauth/authorize?#{URI.encode_www_form(params)}"
     end
diff --git a/spec/nylas/api_spec.rb b/spec/nylas/api_spec.rb
index e57e8d2b..ee96885f 100644
--- a/spec/nylas/api_spec.rb
+++ b/spec/nylas/api_spec.rb
@@ -82,7 +82,8 @@
           login_hint: "email@example.com",
           state: "some-state",
           provider: "gmail",
-          redirect_on_error: true
+          redirect_on_error: true,
+          disable_provider_selection: true
         )
 
         expected_url = "https://api.nylas.com/oauth/authorize"\
@@ -93,7 +94,8 @@
         "&state=some-state"\
         "&scopes=email%2Ccalendar"\
         "&provider=gmail"\
-        "&redirect_on_error=true"
+        "&redirect_on_error=true"\
+        "&disable_provider_selection=true"
         expect(hosted_auth_url).to eq expected_url
       end
     end